{========================================================================}
{=                (c) 1995-98 SwiftSoft Ronald Dittrich                 =}
{========================================================================}
{=                          All Rights Reserved                         =}
{========================================================================}
{=  D 01099 Dresden             = Tel.: +0351-8012255                   =}
{=  Loewenstr.7a                = info@swiftsoft.de                     =}
{========================================================================}
{=  Actual versions on http://www.swiftsoft.de/mmtools.html             =}
{========================================================================}
{=  This code is for reference purposes only and may not be copied or   =}
{=  distributed in any format electronic or otherwise except one copy   =}
{=  for backup purposes.                                                =}
{=                                                                      =}
{=  No Delphi Component Kit or Component individually or in a collection=}
{=  subclassed or otherwise from the code in this unit, or associated   =}
{=  .pas, .dfm, .dcu, .asm or .obj files may be sold or distributed     =}
{=  without express permission from SwiftSoft.                          =}
{=                                                                      =}
{=  For more licence informations please refer to the associated        =}
{=  HelpFile.                                                           =}
{========================================================================}
{=  $Date: 20.01.1998 - 18:00:00 $                                      =}
{========================================================================}
unit MMWEdit;

{$I COMPILER.INC}

{$IFDEF WIN32}
   {.$DEFINE USEMEMMAPFILE}
{$ENDIF}

interface

uses
{$IFDEF WIN32}
  Windows,
{$ELSE}
  WinTypes,
  WinProcs,
{$ENDIF}
  SysUtils,
  Messages,
  Classes,
  Graphics,
  Controls,
  Forms,
  Dialogs,
  ExtCtrls,
  Menus,
  MMSystem,
  MMObj,
  MMRegs,
  MMUtils,
  MMString,
  MMNotify,
  MMMath,
  MMMulDiv,
  MMWave,
  MMWaveIO,
  MMPCMSup,
  MMDIBCv,
  MMPanel,
  MMEnvelp;

type
  EMMWaveEditError  = class(Exception);
  TMMWaveEditorKind = (ekLines,ekSpikes);
  TMMGenerateEvent  = procedure(Sender: TObject; Percent: integer) of object;

  TDisplayRec = record
       LeftMin : SmallInt;
       RightMin: SmallInt;
       LeftMax : SmallInt;
       RightMax: SmallInt;
  end;
  PDisplayData = ^TDisplayData;
  TDisplayData = array[0..0] of TDisplayRec;

  {-- TMMWaveEditor ------------------------------------------------------}
  TMMWaveEditor = class(TMMCustomWaveEditor)
  public
    constructor Create(AOwner: TComponent); override;
    destructor  Destroy; override;

    function  IsSelectStart(X: integer): Boolean;
    function  IsSelectEnd(X: integer): Boolean;
    function  IsInSelection(X: integer): Boolean;
    function  IsGridX(X: integer; var Value: Longint): Boolean; override;

    procedure RefreshData(Min,Max: Longint);
    procedure ResetData;

    procedure Mark(mkStart, mkEnd: Longint; Redraw: Boolean);
    procedure Select(sStart, sEnd: Longint; Redraw: Boolean);
    property  DetailZoom: Boolean read FDetailZoom;

  published
    property OnSelecting: TRangeChangeEvent read FOnSelecting write FOnSelecting;
    property OnSelectEnd: TRangeChangeEvent read FOnSelectEnd write FOnSelectEnd;
    property OnZooming: TRangeChangeEvent read FOnZooming write FOnZooming;
    property OnZoomEnd: TRangeChangeEvent read FOnZoomEnd write FOnZoomEnd;
    property OnGenerate: TMMGenerateEvent read FOnGenerate write FOnGenerate;

    property Height default 90;
    property Width default 194;
    property Zoom: Boolean read FZoom write FZoom default False;
    property AutoZoom: Boolean read FAutoZoom write FAutoZoom default True;
    property DeleteDisplayFile: Boolean read FDelDataFile write FDelDataFile default True;
    property DrawMidLine: Boolean read FDrawMidLine write SetDrawMidLine default True;
    property Kind: TMMWaveEditorKind read FKind write SetKind default ekLines;
    property ForegroundColor: TColor index 0 read FForeColor write SetColors default clAqua;
    property InactiveColor: TColor index 1 read FInactColor write SetColors default clTeal;
    property MidLineColor: TColor index 2 read FMidLineColor write SetColors default clGray;
    property SelectColor: TColor index 3 read FSelectColor write SetColors default clRed;
    property ZoomColor: TColor index 4 read FZoomColor write SetColors default clWhite;
    property Envelope: TMMEnvelope read FEnvelope write SetEnvelope;
    property Wave: TMMWave read GetWave write SetWave;
  end;

function  GetDataFileName(FName: TFileName): TFileName;
function  CheckDisplayData(Wave: TMMWave; DataFile: TFileName): Boolean;
procedure CreateDisplayData(Wave: TMMWave; Callback: TMMGenerateEvent);
procedure GenerateDisplayData(Wave: TMMWave; Callback: TMMGenerateEvent);
function  ZoomData(Wave: TMMWave; Min, Max: Longint; Pixels: integer;
                   Data: PDisplayData; Callback: TMMGenerateEvent): Boolean;

implementation